Rename Emby.Drawing and move to src (#9054)

* Move Emby.Drawing to src

* Rename Emby.Drawing -> Jellyfin.Drawing

src/Jellyfin.Drawing/NullImageEncoder.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using MediaBrowser.Controller.Drawing;
+using MediaBrowser.Model.Drawing;
+
+namespace Jellyfin.Drawing
+{
+    /// <summary>
+    /// A fallback implementation of <see cref="IImageEncoder" />.
+    /// </summary>
+    public class NullImageEncoder : IImageEncoder
+    {
+        /// <inheritdoc />
+        public IReadOnlyCollection<string> SupportedInputFormats
+            => new HashSet<string>(StringComparer.OrdinalIgnoreCase) { "png", "jpeg", "jpg" };
+
+        /// <inheritdoc />
+        public IReadOnlyCollection<ImageFormat> SupportedOutputFormats
+        => new HashSet<ImageFormat>() { ImageFormat.Jpg, ImageFormat.Png };
+
+        /// <inheritdoc />
+        public string Name => "Null Image Encoder";
+
+        /// <inheritdoc />
+        public bool SupportsImageCollageCreation => false;
+
+        /// <inheritdoc />
+        public bool SupportsImageEncoding => false;
+
+        /// <inheritdoc />
+        public ImageDimensions GetImageSize(string path)
+            => throw new NotImplementedException();
+
+        /// <inheritdoc />
+        public string EncodeImage(string inputPath, DateTime dateModified, string outputPath, bool autoOrient, ImageOrientation? orientation, int quality, ImageProcessingOptions options, ImageFormat outputFormat)
+        {
+            throw new NotImplementedException();
+        }
+
+        /// <inheritdoc />
+        public void CreateImageCollage(ImageCollageOptions options, string? libraryName)
+        {
+            throw new NotImplementedException();
+        }
+
+        /// <inheritdoc />
+        public void CreateSplashscreen(IReadOnlyList<string> posters, IReadOnlyList<string> backdrops)
+        {
+            throw new NotImplementedException();
+        }
+
+        /// <inheritdoc />
+        public string GetImageBlurHash(int xComp, int yComp, string path)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}